Manually powered ski



FIG. 1 is a perspective view of a manually powered ski showing my new design;

FIG. 2 is a view of one side thereof;

FIG. 3 is a view of the other side thereof;

FIG. 4 is a plan view thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a front view thereof. 

The ornamental design for a manually powered ski, as shown and described. 